Mesothelioma Treatment

If there’s one thing we know about mesothelioma treatment, it’s this: we’re still being challenged to arrive at efficacy. Despite years of research since the disease was first identified, it’s still difficult to identify the best approach to treating the disease, says David Rice, MD, a cardiothoracic surgeon and nationally known mesothelioma expert who practices at the University of Texas MD Anderson Cancer Center in Houston, TX.
The very rareness of the cancer—only about 3,000 people a year are diagnosed in the United States—makes it difficult to run the kind of research studies needed to compare treatments and determine the ideal therapy at each stage of the disease. “There isn’t a lot of evidence-based science in this disease,” Dr. Rice admits. So when his patients ask him what the best treatment is for the disease, he tells them what we tell you in this section, adding that “we don’t have a reliable cure for this disease.” Thus, a major goal of treatment is to reduce pain and suffering and prolong a patient’s life as long as possible while providing them with the highest quality of life possible. Choosing the right mesothelioma doctor is an important first step in planning for treatment. There are a number of mesothelioma experts, like Dr. Rice, practicing in specialized clinics throughout the country. Each of these cancer specialists has an acute knowledge of the behavior and pathology of malignant mesothelioma and its treatment. It is likely that if you are diagnosed with mesothelioma, you will be referred by your personal physician to a larger scale comprehensive cancer center. The most important consideration in mesothelioma treatment is the cancer stage and type, said Dr. Rice. Treatment decisions also depend on whether the cancer is localized to the chest or has spread to the chest wall, diaphragm, or lymph nodes, your age and overall health, and the center where you’re being treated. Learn more about finding a doctor here. Conventional treatments for mesothelioma involve surgery, chemotherapy, and radiation therapy. As with most solid tumors, doctors turn to surgery, radiation and chemotherapy to manage mesothelioma. When exploring the various treatment options available with your doctor it is important to be informed about the risk and benefits of each one before making a final decision. Surgery Only about 1 in 5 patients with metastatic pleural mesothelioma undergo surgery. There are two main surgeries: pleurectomy/decortication, in which the surgeon tries to remove as much of the tumor from around the lung as possible, and the more radical extrapleural pneumonectomy, in which the lung itself is removed. There is a lot of debate as to which is “best,” said Dr. Rice, although studies find that most long-term survivors have had surgery. He personally believes that pneumonectomy is best for tumor control if followed with radiation. Studies find it prevents tumor recurrence in the chest in 80 to 85 percent of patients who have the surgery. However, Dr. Rice noted, it is a long, intensive operation with a 55 percent complication rate and a 3 percent risk of death, higher in some institutions. “So you only want to perform that surgery if the patient has a reasonably good prognosis,” said Dr. Rice. Translation: it doesn’t appear that the cancer has spread outside the chest. Patients best suited for pneumonectomy are younger, with the epithelial form of the disease, no obvious lymph gland involvement, and are otherwise healthy enough to withstand the rigor of the procedure. Dr. Rice actually waits until he has the patient’s chest open in the operating room and biopsies the lymph nodes before deciding which procedure to perform. Pleurectomy/decortication has a higher failure rate, with the tumor recurring in the chest cavity 50 to 80 percent of the time. However, that rate may change with improved radiotherapy techniques, Dr. Rice said. The reason for the high recurrence is that it’s impossible to completely remove the tumor without removing the lung. However, he noted, there is no difference in survival rates between the two surgeries. Part of the reason is that the cancer has often spread to other parts of the body by the time it is diagnosed even if it appears to be confined to the chest. Chemotherapy Chemotherapy, also known as systemic therapy, uses oral or infusion-based medications to kill cancer cells throughout your body. Chemotherapy is used both before and after surgery, as well as in people who can’t handle surgery. It is also used in the palliative setting to reduce pain and improve quality of life. The most commonly used chemotherapy drugs for mesothelioma are cisplatin combined with pemetrexed (Alimta) or raltitrexed (Tomudex). Other combinations include gemcitabine, carboplatin or oxaliplatin. If you can’t manage combination therapy, your doctor may start on just one drug. Sometimes, your doctor may infuse the medication directly into your chest cavity, a procedure called pleural chemotherapy, or, abdomen, called intraperitoneal chemotherapy. You may also get a second course of chemotherapy, called “second-line” chemotherapy, with pemetrexed or other drugs, raltitrexed plus oxaliplatin, or the triple drug combination of irinotecan, cisplatin and mitomycin. Some centers are beginning to provide intraperitoneal chemotherapy before surgery, followed by chemotherapy shortly after surgery. You can learn more about this approach here. There is also work underway to personalize chemotherapy based on the genetic characteristics of your tumor. Radiation Radiation can be an important part of mesothelioma treatment. The problem is that because the cancer is near the heart and lungs, it’s challenging to provide the kind of high-dose, intensive therapy needed to shrink the tumor. However, a newer option, intensity-modulated radiotherapy (IMRT), which can more accurately target cancer cells and avoid healthy tissue, may provide better results when performed by experienced clinicians. Investigational therapies are being explored through clinical and surgical trials at many of the nation’s top cancer centers. There are more than 50 studies on new therapies for mesothelioma in the U.S. that are looking for volunteers. Researchers are investigating new targeted drugs and chemotherapies, as well as new protocols for giving the medications; immunotherapy, which harnesses the power of the immune system to fight the disease; phototherapy, in which you are injected with a drug that bonds to cancer cells and is activated by high-intensity light; genetic therapies; and novel radiotherapy techniques like tomotherapy to treat the disease. Learn more about participating in a clinical trial here. At some point, the management of the disease will shift from trying to cure the disease to trying to keep the patient as comfortable as possible for as long as possible. This is the palliative care stage, when many people enter a hospice program. The primary goal at this stage is maximizing patient comfort. Medication to help with pain, difficulty breathing, and other symptoms that may be experienced is a mainstay. So is emotional and spiritual support for you and your family. Alternative therapies for mesothelioma can be used to ease side effects of traditional cancer treatment. Complementary and alternative medicine (CAM) includes such therapies as massage, acupuncture, and meditation. They can be a powerful part of your overall management plan, helping you better manage the stress and anxiety of the disease and conventional treatments. Topics in this Section Conventional Therapies Conventional therapies for mesothelioma include surgery, radiation and chemotherapy. Experimental Therapies Several forms of mesothelioma treatment such gene therapy, immunotherapy, photodynamic therapy and multimodality therapy are still in their preliminary stages. Alternative Treatments These untraditional treatment approaches can complement conventional therapies and allow the patient to be more at peace and comfortable during this difficult time. Treatment by Stage This section lists typical treatment strategies based on the stage of the mesothelioma. Mesothelioma Doctors Medical doctors who specialize in aggressively treating mesothelioma cancer state by state. Mesothelioma Experts Medical doctors with a longstanding expertise in treating malignant mesothelioma. Clinical Trials Information about current studies of promising new or experimental mesothelioma treatments. Mesothelioma Clinics Top Cancer Centers for mesothelioma treatment have been listed alphabetically by state for your convenience. Ask Your Doctor We have listed some questions that you might want to ask your doctor in this section. Treatment Side Effects While undergoing treatment for mesothelioma, you should be prepared for the following treatment side effects. Caregiver Resources Resources for family members and loved ones responsible for caring for mesothelioma patients. Mesothelioma Research Selected abstracts relating to malignant mesothelioma from PubMed, the National Library of Medicine's search service. Mesothelioma Treatment Alerts Articles regarding the most recent advances in mesothelioma treatment that are helping to improve longevity and quality of life in patients.

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